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Finding the Fourth Proportional to 62,109, 85,732.02 and 36,957.96

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Solution

The fourth proportional to 62,109, 85,732.02 and 36,957.96 is: 51,014.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,109 : 85,732.02 = 36,957.96 : x
  2. Step 2: Convert to fraction form
    62,109/85,732.02 = 36,957.96/x
  3. Step 3: Cross multiply
    62,109x = 85,732.02 × 36,957.96
  4. Step 4: Simplify right side
    62,109x = 3,168,480,565.88
  5. Step 5: Solve for x
    x = 3,168,480,565.88/62,109
  6. Step 6: Final answer
    x = 51,014.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.